Home / 2,120,700.80-3,174,052.80-1,644,809.60

Finding the Fourth Proportional to 2,120,700.80, 3,174,052.80 and 1,644,809.60

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Solution

The fourth proportional to 2,120,700.80, 3,174,052.80 and 1,644,809.60 is: 2,461,786.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,700.80 : 3,174,052.80 = 1,644,809.60 : x
  2. Step 2: Convert to fraction form
    2,120,700.80/3,174,052.80 = 1,644,809.60/x
  3. Step 3: Cross multiply
    2,120,700.80x = 3,174,052.80 × 1,644,809.60
  4. Step 4: Simplify right side
    2,120,700.80x = 5,220,712,516,346.88
  5. Step 5: Solve for x
    x = 5,220,712,516,346.88/2,120,700.80
  6. Step 6: Final answer
    x = 2,461,786.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.